BlackStar 35BS40 1 K2S - 35 Pitch Finished Bore Sprocket - 40 Tooth - 1" Bore Square Bolt Hole 2-Bolt Flange com/s/files/1/0666/7721/products/3M_5M_8M_14M_HTD_Timing_Belt_6fc31ad5-1ef3-459b-80d9-2c38f3dcd8ef

com/s/files/1/0666/7721/products/3M_5M_8M_14M_HTD_Timing_Belt_6fc31ad5-1ef3-459b-80d9-2c38f3dcd8ef

507 lbs Limiting Speed 2560 RPM Bolt Size M14 FDA Compliant Yes Washdown Suitable Yes Corrosion Resistance Excellent

v=1698972578"

so a 3/BX50 from any major manufacturer shares the same dimensions and runs on the same pulleys/sheaves

"name":"Gates 11/B87 Hi-Power II PowerBand V-Belts 909311087"

BlackStar 35BS40 1 K2S - 35 Pitch Finished Bore Sprocket - 40 Tooth - 1" Bore Square Bolt Hole 2-Bolt Flange com/s/files/1/0666/7721/products/3M_5M_8M_14M_HTD_Timing_Belt_6fc31ad5-1ef3-459b-80d9-2c38f3dcd8efThe BlackStar 35BS40 1 K2S is a 35 pitch Finished Bore roller chain sprocket with 40 teeth, precision manufactured from SAE 1045 steel and features machine cut tooth profiles for smooth, reliable chain engagement. This sprocket has a 1" bore with keyway and set screws and is ready for immediate installation. Specifications Part Number 35BS40 1 K2S Chain Pitch 35 Number of Teeth 40 Bore Size 1" Minimum Bore 5 8" Maximum Bore 1 1 4" Bore Type Finished